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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/iomgr/port.h"
#include "test/core/util/test_config.h"
#if defined(GRPC_TEST_PICK_PORT)
#include "test/core/util/port.h"
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/http/httpcli.h"
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/iomgr/sockaddr_utils.h"
#include "test/core/util/port_server_client.h"
static int *chosen_ports = NULL;
static size_t num_chosen_ports = 0;
static int free_chosen_port(int port) {
size_t i;
int found = 0;
size_t found_at = 0;
/* Find the port and erase it from the list, then tell the server it can be
freed. */
for (i = 0; i < num_chosen_ports; i++) {
if (chosen_ports[i] == port) {
GPR_ASSERT(found == 0);
found = 1;
found_at = i;
}
}
if (found) {
chosen_ports[found_at] = chosen_ports[num_chosen_ports - 1];
num_chosen_ports--;
grpc_free_port_using_server(port);
}
return found;
}
static void free_chosen_ports(void) {
size_t i;
grpc_init();
for (i = 0; i < num_chosen_ports; i++) {
grpc_free_port_using_server(chosen_ports[i]);
}
grpc_shutdown();
gpr_free(chosen_ports);
}
static void chose_port(int port) {
if (chosen_ports == NULL) {
atexit(free_chosen_ports);
}
num_chosen_ports++;
chosen_ports = gpr_realloc(chosen_ports, sizeof(int) * num_chosen_ports);
chosen_ports[num_chosen_ports - 1] = port;
}
int grpc_pick_unused_port(void) {
int port = grpc_pick_port_using_server();
if (port != 0) {
chose_port(port);
}
return port;
}
int grpc_pick_unused_port_or_die(void) {
int port = grpc_pick_unused_port();
if (port == 0) {
fprintf(stderr,
"gRPC tests require a helper port server to allocate ports used \n"
"during the test.\n\n"
"This server is not currently running.\n\n"
"To start it, run tools/run_tests/start_port_server.py\n\n");
exit(1);
}
return port;
}
void grpc_recycle_unused_port(int port) { GPR_ASSERT(free_chosen_port(port)); }
#endif /* GRPC_TEST_PICK_PORT */
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